Shohruh Begmatov, Mukhriddin Arabboev, Sardor Vakhkhobov, Mokhirjon Rikhsivoev, Khushnud Gaziev, and Khabibullo Nosirov. 2023. “Design and Development of a Folding Type Braille Keyboard ”. Central Asian Journal of Theoretical and Applied Science 4 (9), 1-9. https://cajotas.centralasianstudies.org/index.php/CAJOTAS/article/view/1271.